Alert archive / Nevada / Severe Thunderstorm Warnings in 2003

Severe Thunderstorm Warning 21, NWS Reno, NV

August 22, 2003Churchill County, Nevada

NWS Reno, NV issued this severe thunderstorm warning at Aug 22, 2003, 1:09 PM PDT for Churchill County, Nevada. It was in force for 29 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Aug 22, 2003, 1:09 PM PDT (20:09 UTC)
Expired: Aug 22, 2003, 1:38 PM PDT
In force: 29 min
Issued by: NWS Reno, NV
Area: Whole counties

County Churchill County, NV

The radar

The Reno radar (KRGX), 98 km from the middle of the area, began a volume at 20:13 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Aug 22, 12:55 PM PDT	Severe Thunderstorm Watch	SPC	6 hr

The nearest sounding before it

Reno, NV (KREV), launched 12:00Z, 8.2 hours before the alert went out and 12 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 184 J/kg
Mixed-layer CIN: -109 J/kg
Mixed-layer LCL: 1102 m above ground
0-6 km bulk shear: 39 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 83 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 0.1

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WUUS55 KREV 222009 CCA
SVRREV
NVC001-222030-

BULLETIN - EAS ACTIVATION REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE RENO NV
105 PM PDT FRI AUG 22 2003

THE NATIONAL WEATHER SERVICE HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  WEST CENTRAL CHURCHILL COUNTY IN WEST CENTRAL NEVADA THIS 
  INCLUDES THE LAHONTAN RESERVOIR AND THE TOWN OF HAZEN IN 
  WESTERN NEVADA

* UNTIL 138 PM PDT

* AT 105 PM PDT...NATIONAL WEATHER SERVICE DOPPLER RADAR INDICATED A
  SEVERE THUNDERSTORM OVER LAHONTAN RESERVOIR...OR ABOUT 3 MILES WEST
  OF LAHONTAN RESERVOIR...MOVING NORTHEAST AT 20 MPH.

* THE SEVERE THUNDERSTORM WILL BE...
  2 MILES SOUTHEAST OF HAZEN AT 125 PM PDT

REPORT DAMAGING WEATHER TO THE NEAREST LAW ENFORCEMENT AGENCY. THEY
WILL RELAY YOUR REPORT TO THE NATIONAL WEATHER SERVICE FORECAST
OFFICE.

A SEVERE THUNDERSTORM WATCH REMAINS IN EFFECT UNTIL 700 PM PDT FRIDAY
EVENING FOR WEST CENTRAL NEVADA.

$$

LAT...LON 3954 11919 3941 11911 3959 11876 3978 11908

The office that day

Everything else NWS Reno, NV issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
Aug 22, 1:07 PM PDT	Severe Thunderstorm Warning	REV	Churchill, Lyon	31 min
Aug 22, 1:34 PM PDT	Severe Thunderstorm Warning	REV	Churchill	31 min

Nearby

Severe Thunderstorm Warnings in Nevada, 2003 Every severe thunderstorm warning in 2003

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.